Home / 8,500,128.76-11,729,877.60-4,632,573.16

Finding the Fourth Proportional to 8,500,128.76, 11,729,877.60 and 4,632,573.16

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Solution

The fourth proportional to 8,500,128.76, 11,729,877.60 and 4,632,573.16 is: 6,392,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,128.76 : 11,729,877.60 = 4,632,573.16 : x
  2. Step 2: Convert to fraction form
    8,500,128.76/11,729,877.60 = 4,632,573.16/x
  3. Step 3: Cross multiply
    8,500,128.76x = 11,729,877.60 × 4,632,573.16
  4. Step 4: Simplify right side
    8,500,128.76x = 54,339,516,139,845.22
  5. Step 5: Solve for x
    x = 54,339,516,139,845.22/8,500,128.76
  6. Step 6: Final answer
    x = 6,392,787.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.